smart_pointer_not

f = Foo();
b = Bar(f);
s = Spam(f);
g = Grok(f);

try
    x = b.x;
    error("Error! b.x")
catch
end_try_catch

try
    x = s.x;
    error("Error! s.x")
catch
end_try_catch

try
    x = g.x;
    error("Error! g.x")
catch
end_try_catch

try
    x = b.getx();
    error("Error! b.getx()")
catch
end_try_catch

try
    x = s.getx();
    error("Error! s.getx()")
catch
end_try_catch

try
    x = g.getx();
    error("Error! g.getx()")
catch
end_try_catch